Finding the Fourth Proportional to 173,138.80, 259,708.20 and 153,893.20
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Solution
The fourth proportional to 173,138.80, 259,708.20 and 153,893.20 is: 230,839.80
Step by Step Solution
- Step 1: Write the proportion equation
173,138.80 : 259,708.20 = 153,893.20 : x - Step 2: Convert to fraction form
173,138.80/259,708.20 = 153,893.20/x - Step 3: Cross multiply
173,138.80x = 259,708.20 × 153,893.20 - Step 4: Simplify right side
173,138.80x = 39,967,325,964.24 - Step 5: Solve for x
x = 39,967,325,964.24/173,138.80 - Step 6: Final answer
x = 230,839.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.